This is a note to let you know that I've just added the patch titled
drm/ttm: Make ttm_bo_mem_compat available
to the 4.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-ttm-make-ttm_bo_mem_compat-available.patch
and it can be found in the queue-4.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 94477bff390aa4612d2332c8abafaae0a13d6923 Mon Sep 17 00:00:00 2001
From: Sinclair Yeh <syeh@xxxxxxxxxx>
Date: Wed, 29 Jun 2016 12:58:49 -0700
Subject: drm/ttm: Make ttm_bo_mem_compat available
From: Sinclair Yeh <syeh@xxxxxxxxxx>
commit 94477bff390aa4612d2332c8abafaae0a13d6923 upstream.
There are cases where it is desired to see if a proposed placement
is compatible with a buffer object before calling ttm_bo_validate().
Signed-off-by: Sinclair Yeh <syeh@xxxxxxxxxx>
Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 7 ++++---
include/drm/ttm/ttm_bo_api.h | 14 ++++++++++++++
2 files changed, 18 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1016,9 +1016,9 @@ out_unlock:
return ret;
}
-static bool ttm_bo_mem_compat(struct ttm_placement *placement,
- struct ttm_mem_reg *mem,
- uint32_t *new_flags)
+bool ttm_bo_mem_compat(struct ttm_placement *placement,
+ struct ttm_mem_reg *mem,
+ uint32_t *new_flags)
{
int i;
@@ -1050,6 +1050,7 @@ static bool ttm_bo_mem_compat(struct ttm
return false;
}
+EXPORT_SYMBOL(ttm_bo_mem_compat);
int ttm_bo_validate(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -316,6 +316,20 @@ ttm_bo_reference(struct ttm_buffer_objec
*/
extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
bool interruptible, bool no_wait);
+
+/**
+ * ttm_bo_mem_compat - Check if proposed placement is compatible with a bo
+ *
+ * @placement: Return immediately if buffer is busy.
+ * @mem: The struct ttm_mem_reg indicating the region where the bo resides
+ * @new_flags: Describes compatible placement found
+ *
+ * Returns true if the placement is compatible
+ */
+extern bool ttm_bo_mem_compat(struct ttm_placement *placement,
+ struct ttm_mem_reg *mem,
+ uint32_t *new_flags);
+
/**
* ttm_bo_validate
*
Patches currently in stable-queue which might be from syeh@xxxxxxxxxx are
queue-4.6/drm-ttm-make-ttm_bo_mem_compat-available.patch
queue-4.6/drm-vmwgfx-delay-pinning-fbdev-framebuffer-until-after-mode-set.patch
queue-4.6/drm-vmwgfx-add-an-option-to-change-assumed-fb-bpp.patch
queue-4.6/drm-vmwgfx-fix-corner-case-screen-target-management.patch
queue-4.6/drm-vmwgfx-check-pin-count-before-attempting-to-move-a-buffer.patch
queue-4.6/drm-vmwgfx-work-around-mode-set-failure-in-2d-vms.patch
queue-4.6/drm-vmwgfx-fix-error-paths-when-mapping-framebuffer.patch
--
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